Neutrino-Driven Mass Loading of GRMHD Outflows

Details Neutrino-Driven Mass Loading of GRMHD Outflows Neutrino-Driven Mass Loading of GRMHD Outflows

2006-10-15

arxiv.org/abs/astro-ph/0610447v1

AIPConf.Proc.924:26-31,2007

Astronomy and Astrophysics

Astrophysics

6 pages, 2 figures

Scientific paper

10.1063/1.2774834

A GRMHD model of disk outflows with neutrino-driven mass ejection is presented. The model is used to calculate the structure of the outflow in the sub-slow magnetosonic region and the mass loading of the outflow, under conditions anticipated in the central engines of gamma-ray bursts. It is concluded that magnetic launching of ultra-relativistic polar outflows is in principle possible along low inclination field lines (with respect to the symmetry axis), provided the neutrino luminosity is sufficiently low, $L_\nu\simlt10^{52}$ erg s$^{-1}$.

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